Microchip ATSAMR21B18-MZ210PA Module 48MHz, 2.7 → 3.6V

The ATSAMR21B18-MZ210PA is a 19.7mm x 16.3mm wireless module. It integrates an ATSAMR21E18 IC together with a serial data FLASH. The design allows a variety of mounting positions with SMT as well as TH mounting. The extended temperature range with operation up to 125°C is a distinguishing feature

ATSAMR21 Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with
Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with
256KB Flash and 16 I/O’s
Max. operating freq. 48 MHz
128-bit AES crypto engine
32-bit MAC symbol counter
Temperature sensor
Automatic transmission modes
MX25L2006EZUK-12G 2-Mbit DataFlash
Lowest cost RF front end design with PCB antenna
Single 2.7V - 3.6V supply
Extended industrial temperature range -40°C to 125°C
Easy access 2mm pin header with several alternative functions
5 GPIO
1 analog input (12-bit, 350ksps Analog-to-Digital Converter)
4 PWM outputs
TWI (I2C up to 3.4MHz)
SPI
UART
High precision 16MHz crystal oscillator